This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The spectra of the coolest stars contain strong absorption features (or lines) of a. TiO ... (Read 46 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
on: Jul 27, 2018
The spectra of the coolest stars contain strong absorption features (or lines) of
 
  a. TiO molecules.
  b. ionized helium.
  c. helium.
  d. hydrogen.
  e. All of the other choices are correct.

Question 2

The Hubble Space Telescope objective mirror is not affected by
 
  a. bad seeing.
  b. chromatic aberration.
  c. diffraction.
  d. chromatic aberration and diffraction.
  e. bad seeing and chromatic aberration.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

e


2125004343

  • Member
  • Posts: 566
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Fontanels and suture lines Fontanels and suture lines
Nonverbal communications convey strong, powerful messages that may be negative or positive. Nonverbal communications convey strong, powerful messages that may be negative or positive.
The absorption of cerebrospinal fluid from the subarachnoid space (blue) into a major sinus. Note ... The absorption of cerebrospinal fluid from the subarachnoid space (blue) into a major sinus. Note ...
Press along sen lines and marma points on inner forearm. Press along sen lines and marma points on inner forearm.
Facilitated Diffusion: Absorption Methods in the Small Intestine Facilitated Diffusion: Absorption Methods in the Small Intestine
Strong religious beliefs appears to be positively associated with elderly health and wellbeing Strong religious beliefs appears to be positively associated with elderly health and wellbeing
Video: Cytotoxic T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library